DC Generators In case of dc machines, mechanical losses are primary function of Current Voltage None of the listed here Speed Current Voltage None of the listed here Speed ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Eddy current loss Frictional loss Hysteresis loss Copper loss Eddy current loss Frictional loss Hysteresis loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Dummy coils Shifting of axis of brushes Interpoles Compensating winding Dummy coils Shifting of axis of brushes Interpoles Compensating winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the immediately preceding pole Is the same as that of the main pole ahead Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. Is the same as that of the immediately preceding pole Is the same as that of the main pole ahead Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Copper Nonferrous material Silicon steel Cast-iron Copper Nonferrous material Silicon steel Cast-iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Copper lugs Resistance wires Brazing Insulation pads Copper lugs Resistance wires Brazing Insulation pads ANSWER DOWNLOAD EXAMIANS APP